Linux

Turn from:http://www.ruanyifeng.com/blog/2011/12/inode.htmlhttp://blog.s135.com/post/295/http://hi.baidu.com/leejun_2005/blog/item/d9aa13a53b3af6e99152ee7e.html First, what is the inode?to understand the inode, start with the file storage. The file

1. Standard Flow PipingPipeline Operations Support file stream mode, which is used to create a pipeline that links another process, through functions Popen and PcloseThe specific introduction of Popen in this blog:linux multi-process learning is

Linux Mail Command parameters:When you use mail to send mail, you must first start the SendMail service.Mail–s "Mail Subject" –c "CC Address" –b "BCC address"---F sender e-mail address –F sender name Three commonly used formats for sending

Create a public and private key on the server host (called a host): Ssh-keygen-t RSA all the way back, if you want to set a passphrase, set a passphrase when prompted passphrase to view the generated public and private keys: LS ~/.ssh id_ Rsa.pub id_

From: http://www.iteye.com/topic/1125162I've been using Linux for more than a year, and I've been maintaining the site system host. The following is the Linux directory structure description I use the CentOS system, a long time no blog post will be

#stat命令: Viewing file information [Email protected]_168_102_centos ~]# stat Test.log File: ' Test.log' size:0 blocks:0 IO block:4096 Regular Empty filedevice:ca01h /51713d inode:483339 links:1Access: (0644/-rw-r--r--)

Yesterday I learned the command to create files and directories mkdir, today learn about the commands for deleting files and directories in Linux: RM command. RM is a commonly used command that removes one or more files or directories from a

If you use the Linux command line frequently, then using the history command can effectively improve your efficiency. This article will introduce you to the 15 usages of the history command in the form of an instance. displaying timestamps using

CentOS Monitor Tomcat current command line outputTail-f .../apache-tomcat-x.x.x/logs/catalina.out Main error content of C3P0 under Linux31-jul-2014 14:14:43.072 INFO [localhost-startstop-1] com.mchange.v2.c3p0.impl.C3P0ImplUtils.generateVmId Failed

Process Status:1) Overview of the status of the process:1.1) Running (R), running or going to run1.2) interruptible (S), blocked while waiting for an event, may be activated by a signal1.3) uninterruptible (D), blocked while waiting for an event,

Facts show that good memory is inferior to bad writing, not to mention that there is no good memory on the need to do some necessary records, because with the passage of time, a lot of things will gradually forget, then if you look at the notes

Linux under the installation, configuration JDK does not elaborate, the online information is many; In the installation of Apache may encounter a lot of problems, such as Apr not found,pcre-config to Libpcre not found and other issues, which are

A way for Linux shells to read files line by rowIn Linux there are many ways to read a file row by line, the most common is the method in the following script, and is the most efficient, most used method. In order to give you an intuitive feeling,

1. Cat (CONCATENATE): Outputs the file or input data-a--show-all: equivalent to-vet-B--number-nonblank: Number of non-null output lines-e equivalent to-ve-e--show-ends show $ at end of American Airlines-N--number: Numbering All lines of the output-S

Linux handle leakage check, linux handle LeakageBackground: We often encounter handle leaks when developing linux Online servers. In the linux system design, everything follows the principle that everything is a file, that is, disk files,

[Tips] fixed the missing speaker icon in the Moka icon topic. Moka is a beautiful icon theme that plays an important role in the best icon theme available in Ubuntu. But in Ubuntu 14.04, Moka has some shortcomings. If you use Moka in Unity of

The latest I/O statistics Tool in CentOS As a Linux system administrator, it is essential to count various types of IO. Iostat is obviously the most important statistical tool. However, iostat is not the focus of this article, because there are

[Linux] awk learning notesAwk Study Notes I recently added several functions of logs. However, this log is output and cannot be found by myself. So I want to write some simple monitoring scripts to check the log details,For example, if there is no

When w is executed in Linux, 70 column window is too narrow is displayed. When I run the w command in Linux today, 70 column window is too narrow appears. I don't know what the problem is. I checked it online and checked a solution, input data in

Linux uses the locate command to locate a file From: http://linux-blog.org/finding-files-with-locate/ FIND command Many Linux users like to use the find command to find files. For example, they usually like this: Find/-name 'pattern' Indeed, the